Finding the Fourth Proportional to 3,099.49, 4,648.72 and 1,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.49 : 4,648.72 = 1,019.52 : x
2. Step 2: Convert to fraction form
   3,099.49/4,648.72 = 1,019.52/x
3. Step 3: Cross multiply
   3,099.49x = 4,648.72 × 1,019.52
4. Step 4: Simplify right side
   3,099.49x = 4,739,439.90
5. Step 5: Solve for x
   x = 4,739,439.90/3,099.49
6. Step 6: Final answer
   x = 1,529.11